以乙酸铅、乙酸镧、乙酸氧锆和钛酸丁酯为原料,用溶胶-凝胶法制备了掺镧锆钛酸铅(PLZT)凝胶纤维.该纤维经热解、烧结后成为直径约25μm的陶瓷纤维.陶瓷纤维的表面和断面形貌的电子扫描图象表明,该陶瓷纤维均匀致密.用阿基米德法测得陶瓷纤维的密度为:7.78×103kg/m3.对于直径为4.4mm、厚度为43μm、陶瓷含量为70%的PLZT陶瓷纤维/环氧树脂1-3复合材料压电片,测得其压电常数d33、机电转换常数kt分别为:410pC/N和0.631.
参考文献
| [1] | Janas V F, Safari A. J. Am. Ceram. Soc, 1995, 78 (11): 2945-2955. |
| [2] | Sliwa J W, Ayter Jr. S, Mohr J P. Method for Kaking Piezoelectric Composites, Canada, Can. Pat. Appl,CA 2,085,760, 1994. |
| [3] | Bast U, Kaarrmann H, Lubitz K, et al, Composite Ultrasonic Transducer and Method for Manufacturing a Structured Composite Therefore of Piezoelectric Ceramic, U.S.A, U.S.Pat, No. 5 164 920, (1992). |
| [4] | Pazol B G, Bowen L J, et al, 1995 IEEE Ultrasonics Symposium, 1995, 1: 1263-1268. |
| [5] | Browen L J, Genntilman R L, Pham H T, et al, Proceedings, IEEE, Ultrasonics Symposium, 1993, 1: 499-503. |
| [6] | Jadidian B, Janas V, Safari A. Proceedings of the Tenth IEEE International Symposium On Application of Ferroelectrics, 1996, 1: 31-34. |
| [7] | French J D, et al, Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics,1996, 2: 867-870. |
| [8] | Meyer R J, T Shrout R, Yoshikawa S. Proceedings of the Tenth IEEE International Symposium on Applications of Ferroelectrics, 1996, 2: 547-550. |
| [9] | Li Kun, Piezoelectric Ceramic Fibre/Polymer 1-3 Composites for Transducer Applications , Thesis for Ph.D.Degree, Hong Kong Polytechnic University, Hong Kong, 2002. 75-77. |
| [10] | Chan H LW, Unsworth J. IEEE Transaction on Ultrasonics, Ferroelectrics and Frequency Control, 1989, 36(4): 434-441. |
| [11] | Smith W A. IEEE Transaction on Ultrasonics, Ferroelectrics and Frequency Control, 1993, 40 (1): 41-49. |
| [12] | An American National Standard IEEE Standard on Piezoelectricity, ANSI/IEEE Std 176-1987. 227-273. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%